On Sat, 15 Jun 2024 10:01:51 +0100, lafermedesanim...@posteo.net wrote: > > I have a dual boot Devuan/OpenBSD, I wrote random data on my > drive and then install the OSes, both are encrypted. > Now, I want to remove this dual boot to have only OpenBSD > and use it as a daily driver. > My plan for this is to boot a GNU/Linux live usb, erase LUKS keys > with cryptsetup command, use the wipefs command to erase LUKS > header and reinstall OpenBSD with full disk encryption. > Is it secure enough ? Do I need to do something with OpenBSD > encrypted data as I have to with the LUKS keys/header on GNU/Linux ? >
Probably I don't understand your attack vecor, but where I stay if you reinstall with reformat whole disk, old data on the disk will be replaced or not, but it shouldn't create an issue, should it? -- wbr, Kirill